The best replacement for arrhythmia is dysrhythmia.

The best alternatives to arrhythmia are rated as following:

★★★★★	dysrhythmia
★★	fibrillation
★★	tachycardia
★★	palpitations
★	atrial fibrillation
★	murmur
★	heart murmur
★	palpitation
★	heart attack
★	dysrrhymia
	irregular heartbeat
	sinus rhythm

Your alternative for arrhythmia is not listed? Suggest!

Speaking about arrhythmia, one probably shouldn't forget about 1st degree av block.

Other search terms related to arrhythmia and their ratings are:

★★★★★	1st degree av block
★★★★	tachycardia
★★★★	mitral valve prolapse
★★★★	bradycardia
	sinus bradycardia

You have in mind a companion for arrhythmia and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of arrhythmia in all years. Click on graph for more.

arrhythmia

dysrhythmia

fibrillation